function inverseUser(){
	document.getElementById('imgUser').src='../img/index/user_inverse.jpg';
};

function changeUserBack(){
	document.getElementById('imgUser').src='../img/index/user.jpg';
};

function inverseTieba(){
	document.getElementById('imgTieba').src='../img/index/tieba_inverse.jpg';
};

function changeTiebaBack(){
	document.getElementById('imgTieba').src='../img/index/tieba.jpg';
};

function inversePost(){
	document.getElementById('imgPost').src='../img/index/post_inverse.jpg';
};

function changePostBack(){
	document.getElementById('imgPost').src='../img/index/post.jpg';
};